Improper Data Handling Affecting exim4 package, versions <4.92-10
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
5.02% (93rd
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-EXIM4-453775
- published 24 Jul 2019
- disclosed 25 Jul 2019
Introduced: 24 Jul 2019
CVE-2019-13917 Open this link in a new tabHow to fix?
Upgrade Debian:unstable exim4 to version 4.92-10 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exim4 package and not the exim4 package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).
References
- https://security-tracker.debian.org/tracker/CVE-2019-13917
- https://seclists.org/bugtraq/2019/Jul/51
- http://exim.org/static/doc/security/CVE-2019-13917.txt
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13917
- https://www.debian.org/security/2019/dsa-4488
- https://security.gentoo.org/glsa/201909-06
- http://www.openwall.com/lists/oss-security/2019/07/26/5
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-13917